# -- coding: utf-8 --
def p(x):
    print(str(x))


def add_num(a=0, b=0):
    return int(a) + int(b)


def plus_num(a=0, b=0):
    return int(a) * int(b)


def squ_num(a=0):
    return int(a) * int(a)
